Posted by AISHWARYA KATRE on Thursday, December 22, 2011 at 1:12pm.
|sinθ| = 1/2 means that sinθ = 1/2 or sinθ = -1/2 sinθ = 1/2 in 1st and 2nd quadrants. sinθ = -1/2 in 3rd and 4th quadrants So, θ = nπ ± π/6 for any integer n.